Optical line terminals
LTP-8X revB, LTP-8X revC,
LTP-4X revB, LTP-4X revC
Release notes, Firmware version 3.46.0 (22.11.2022)

|| DeviceType | Optical Line Terminals |
|| DeviceName1 | LTP-8X, LTP-4X |
|| DocTitleAdditional | Release notes |
|| fwversion | 3.46.0 (22.11.2022) |

Version 3.46.0

Features:

System. Added ability to work with several remote syslog servers.
SNMP. Optimized tables for obtaining statistics.
CLI. Added display of total rate for port-channel.
PON. Optimized DBA operation, added new operating modes.

Bugs fixed:

Switch. Fixed loss of link on 10G-front-port.
Switch. Fixed crash while working with ICMPv6.
PON. Fixed IPSG operation after restarting.
PON. Fixed IPSG operation when clearing the dhcp sessions.
PON. Fixed IPSG operation with duplicate MAC addresses.
PON. Fixed pmchal crash while bringing ONT interface up.
System. Fixed problem with access loss via telnet.
System. Fixed many leaks and crashes.
System. Improved the algorithm for polling the state of power modules.
SNMP. Fixed ifTable and ifXTable.
SNMP. Fixed hang when working with ltp8xONTUNIPortsStateEntry table.
SNMP. Fixed description of pon-port states in MIB file.
SNMP. Fixed crash while working with ltp8xONTPorts tables.
SNMP. Fixed getting information about the device.

Version 3.44.0

Features:

System. Added support for reading additional information on SFP.
SNMP. Added support for dot1qTpFdbTable.
SNMP. Added support for dot1dStpPriority, dot1dStpRootCost and dot1dStpRootPort.
SNMP. Added support for dot1dStpPortTable.
SNMP. Added support for dot3StatsTable.
PON. Added ability to forward unknown multicast to the specified GEM port.

Bugs fixed:

System. Fixed insertion of an empty argument when using Tacacs accounting.
System. Fixed outdated flag for Tacacs accounting.
System. Fixed problem with EasyMode.
Switch. Fixed CoS operation for ARP packets.
Switch. Fixed the use of Policy configuration without rebooting.
PON. Fixed the receipt of Policy configuration without rebooting.

Version 3.42.2

Features:

PON. Added DBA short cycle mode.
PON. Performed optimization of DBA algorithm operation.

Bugs fixed:

PON. Fixed DBA of CBR type operation with reduce-latency mode enabled.
Switch. Fixed multicast loopback operation in port-channel.

Version 3.42.1

Features:

System. Added support for PM100-48/12 and PM160-220/12 rev.B. power modules.

Bugs fixed:

Switch. Fixed ip dhcp downlink bridging command operation.

Version 3.42.0

Features:

System. Added PoE support for ONT.
System. Added alarm PSE overload.
SNMP. Added PoE support for ONT in SNMP.
CLI. Added ability to set timezone accurate to minutes.
PON. Added OMCI alarm PSE overload support.
PON. Added OMCI LAN port control.
PON. Added NTU-MD500P support.

Bugs fixed:

System. Fixed backup configuration application using ACL.
System. Fixed ip source-guard database deletion after LTP reboot.
PON. Fixed ONT hang in CFGFAIL status.

Version 3.40.0

Features:

PON. Added redundancy functionality for GPON ports.
PON. Added CaTV signal level acquisition.
PON. Added option to disable VLAN filtering for multicast GEM.
PON. Added functionality for forced activation of GPON port, without taking into account the configuration.
CLI. Added a command to remove dynamic entries from the DHCP Snooping table.
CLI. Added possibility to set ONT auto-activation by GPON ports.
CLI. Added possibility to autocomplete the list of log files.
System. Added support for PM-DC12 power module.
System. Added alarms for exceeding the CaTV thresholds.
System. Added support for LTP-X rev.D boards.

Bugs fixed:

PON. Fixed UNACTIVATED ONT reboot.
PON. Fixed ONT rebooting in case of authorization error.
PON. Fixed ONT activation bug after mass link crash.
PON. Fixed ONT activation error after quick reconfiguration.
PON. Fixed OLT chip reload, during mass ONT power off.
PON. Fixed multicast passing through broadcast GEM with unknown-multicast-forward enabled.
PON. Supported EqID output for NTU-1 rev.B and NTU-RG-5440G-WZ.
PON. Fixed pmchal crash when requesting ONT status.
ACS. Fixed loss of private parameters when updating LTP.
ACS. Fixed operation with configuration that contains null in the fields.
System. Fixed saving LLDP settings for 10G-front-port.
System. Fixed bug when deleting entries from DHCP Snooping table.
System. Stabilized operation with broken blocks on NAND flash.
System. Fixed possibility to re-prescribe ONT when auto-activation is enabled.
System. Fixed loss of ip arp inspection configuration.
System. Fixed pmchal crash when using IPSG.
System. Fixed CLI crash when naming interfaces with capital letters.
Switch. Fixed ACL with ARP packets when filtering by ports.
Switch. Removed duplicate events of front-ports state changes.
Switch. Fixed isolation for pon ports that related to different chips.

Version 3.38.2

Bugs fixed:

PON. Fixed duplication of ONT on different channels during auto-activation.
ACS. Fixed operation with Manufacturer OUI when adding hardware.

Version 3.38.1

Features:

PON. Added DBA reduced-latensy operation mode.

Bugs fixed:

ACS. Fixed the show list command execution.

Version 3.38.0

Features:

System. Added firmware redundancy.
System. Added origin-id configuring for syslog.
System. Added opportunity to download an ACS configuration via network.
CLI. Added hotkeys CTRL+Z,B,F.
CLI. Added displaying of user authentication method in show user who.
PON. Added one-dynamic-binding-for-MAC option for IPSG.
PON. Supported SFP Hisense LTE3680P-BC+1.
PON. Added option for unknown-multicast forwarding enabling.
SNMP. Added enabling of utilization per services.
SNMP. Added support for several snmp community.
SNMP. Added snmp community encryption to a configuration.
SNMP. Enabling of an option for unknown-multicast forwarding via snmp.

Bugs fixed:

System. Enabling of an option for unknown-multicast forwarding via snmp.
System. Fixed hostname applying during backup loading.
System. Fixed operation of privileges in ACS.
System. Fixed operation during connecting through SecureCRT.
System. Fixed configuration applying delay.
System. Fixed operation of tacacs with key containing '#'.
System. Applying of licenses does not require OLT reboot anymore.
CLI. Fixed a misprinting in unactivated-timeout command.
CLI. dhcp-ra and pppoe-ra commands has been modified to have a single format.
CLI. Fixed hints in alarm command.
CLI. Eliminated duplicated information in alarm command.
CLI. Fixed show alarm active command output.
CLI. Fixed gpon olt configuration command output.
CLI. Fixed hostname pasting to command logging.
CLI. Fixed output for the information on LAN ports of ONTs.
CLI. Fixed memory leak in show running-config profile command.
CLI. Fixed memory leak in rollback command.
Switch. Fixed ACL operation for ARP packets.
Switch. Fixed mrouter command.
Switch. Fixed switchd failuring while mstp configuration.
PON. Fixed pasting of empty Option 82 to dhcp-ra.
PON. Fixed processing of an error occurred when more than 12 VLAN tagging filter data are created.
PON. Fixed Tranciever P/N read-out.
PON. Optical line length configuration does not require OLT rebooting anymore.
SNMP. Optimized ltp8xOLTPPPoESessionsTable table.
SNMP. Optimized ltp8xSwitchMacListEntry table.
SNMP. Fixed downstream BER read-out.
SNMP. Fixed VLAN isolation installing.

Version 3.36.2

Features:

System. Added firmware redundancy.
System. Added ability to synchronize images automatically in an hour after the system starts.

Version 3.36.1

Features:

PON. Added support for new ONT models: NTU-52V, NTU-52VC.
ACS. Added automated ACS profile assignment depending on an ONT model.

Version 3.36.0

Features:

PON. Support for ONT Cambridge CIG G-25A.
PON. Support for ONT Ericsson T063G.
PON. Support for ONT Ericsson T073G.
PON. Support for ONT АТРОН 590.
PON. Support for ONT АТРОН 620.
PON. Added support for NTU-RG-1421G-Wac: rev.A1.
PON. Support for several Uni-G slots.
Switch. Support for 802.1q on the front-port.
Switch. Added the option for multicast traffic transmission between ONTs within the same tree.
System. Added run shell command for granting root rights.
SNMP. LAG configuration via SNMP.
SNMP. Added address-table profile configuration.
SNMP. Added OID - show interface gpon-port X downstream-ber.
SNMP. Support for configuring multicast loopback enable.

Bugs fixed:

Switch. The problem with log spamming that occurs after disabling several front ports has been solved.
PON. The installation of the default line length (20 km) is performed as in 3.30.0 firmware version.
PON. Fixed the channel hang in the UNACTIVATED mode.
PON. Fixed ONT hang during authorization.
PON. Optimized the process of PPPoE packets processing, when PPoE agent is enabled.
System. Displaying of free RAM utilization has been fixed.
SNMP. Invalid data entry in the ports profile has been fixed.
SNMP. The processing of command used for OLT chip reconfiguration has been fixed.
SNMP. The processing of command used for changing user password has been fixed.

Version 3.32.0

Features:

Switch. ERPS protocol has been implemented.
System. The number of configurable cross-connect services has been increased up to 28 (ONT support is required).
System. Support for several management interfaces.
System. Advanced displaying for DHCP snooping table.
System. To delete static IPSG records is forbidden when clearing MAC table.
System. Command for deleting the current license is added.
System. License applying without LTP rebooting.
System. The reason of ONT blocking is recorded in log file.
System. ONT removal from configuration is forbidden if ONT ID is not entered.
System. Recording logs in non-volatile memory is disabled by default.
PON. Support for NTU-RG54XX.
PON. The precision of ONT service utilization has been fixed.
PON. ONT autoactivation in the EasyMode has been implemented.
PON. ONT autoactivation with pre-installed configuration.
PON. Support for SFP NEOPHOTONICS 38J0-6538E-ST+.
PON. Support for SFP NEOPHOTONICS PTB38J0-6538E-SC.
PON. Enabling/disabling ONT service utilization monitoring.
PON. It is possible to set optical line length.
PON. Broadcast-downstream filter configuration.
PON. Notification on enabled IPSG when configuring ONT.
SNMP. It is possible to set mrouter interface parameters.
SNMP. IPSG configuration.
SNMP. Support for interface ont in ifTable and ifXTable tables.
SNMP. EasyMode is available for ONT.
SNMP. Port utilization is available.
SNMP. Configuring a port bridging.
SNMP. pvid configuration.
SNMP. IGMP query interval configuration.
SNMP. IGMP query interval configuration.
SNMP. broadcast-downstream filter configuration.
SNMP. Configuration of VLAN isolation.

Bugs fixed:

System. Ftp server answering interval has been reduced to 25 seconds.
System. Backup applying when the value of free memory is critical has been optimized.
Switch. Incorrect work together of ACL and Policy has been fixed.
Switch. Display of a policy assigned in cli switch has been fixed.
Switch. Errors that occur on LLDP ports being port-channel members have been fixed.
Switch. Uploading the configuration with two bridged port-channel has been optimized.
Switch. pathcost calculation for active port-channel band has been corrected.
Switch. Error caused by deleting ip igmp proxy report range has been fixed.
Switch. Incorrect port utilization display has been fixed.
Switch. policy execution for ARP, IGMP, MLD has been fixed.
Switch. Errors on 10G ports have been fixed.
Switch. Error of description setting on interface has been fixed.
PON. Option for viewing igmp group list on gpon-port has been fixed.
PON. Error that occurs during no management vid command execution has been fixed.
PON. Incorrect operation of ONT storm-control with port number less than 4 has been fixed.
SNMP. Error during proofreading LLDP neighbors has been fixed.
SNMP. Data output on oid ltp8xONTStateHWVersion has been corrected.
SNMP. SNMPwalk looping during adding several ONTs in the password activation mode has been fixed.
SNMP. Incorrect data output, which occurs when firmware list request, has been fixed.
SNMP. Changes in several parameters of ltp8xSwitchPortConfigTable table by using one request has been corrected.
SNMP. ltp8xONTCustomCrossConnectTable has been optimized.
SNMP. ltp8xONTFullServicesConfigDBAProfile has been optimized.

Version 3.30.0

Features:

LLDP implementation.
ACL based on L2+L3 packet fields, bit masks.
Mixed mode of strict priority and WRR queues.
Hello time configuration for STP.
Support for 2004 bytes Jumbo frames.
Support for Storm control on the switch.
Support for MAC notification trap.
Added settings for switch ports description.
Replacement of scrIP in IGMP Report/Leave packets not including IGMP querier.
Support for NTU-RG-1421G-WZ.
Support for FANGHANG 38J0-6537E-STH2+ SFP modules.
Support for Hisense LTE3680M-BC+ and LTE3680P-BC+2 SFP modules.
Support for OLT-G ME.
Support for Storm control on PON.
Support for ME dot1 rate limiter for gpon olt model 1, 2.
System. gpon olt model 2 by default.
System. Profile of scripts has been deleted.
System. View the list of active users and authorization history.
System. IPSG dynamic rules are stored in non-volatile memory.
System. Support for FTP client.
System. Automatic backup uploading to FTP server.
System. Accounting of commands in syslog.
System. Support for several RADIUS servers.
System. Reset button can be disabled.
System. SNMPv3 users are added separate from system users.
System. Support for encryption for SNMPv3.
System. Syslog can be stored in local non-volatile memory.
System. Downgrade to earlier versions of firmware is prohibited.

Bugs fixed:

The problem of traffic transmission, occurring after link failure in MSTP, has been fixed.
The problem with access lists displaying in show-running config has been fixed.
The multicast forwarding problem occurring after cleaning the MAC table in case of enabled IGMP Snooping has been fixed.
Sending of IGMP report after IGMP GQ receiving has been optimized.
The problem with receiving of ip igmp snooping querier address invalid value has been eliminated.
Sending of trap MAC duplication has been fixed.
Fixed problem with missing ONT from pon channels.
Added limiting of igmp groups number for omci-bridge.
Lifetime increases in snooping table in case of ONT re-configuration.
Added mask checking for Priority queue ME attributes.
IPTV operation in single-service mode has been fixed.
The problem with incorrect displaying of ONT types in CLI has been solved.
SNMP. sysDescr field in SNMP has been corrected.
SNMP. snmpd bugs occuring while loading of ONT autoupdate file have been fixed.
SNMP. When adding of VLAN via SNMP, excess parameters were removed.
SNMP. Invalid deletion from the ONT auto-update scheduler via SNMP has been fixed.
SNMP. Fixed sysName changing via SNMP.
SNMP. Added sysUptimeInstance issuing while snmp-agent launching.
System. Sending of normalization trap for recovery of power supply on a block has been fixed.
System. Fixed displaying of ACS default configuration in running-config.
System. CLI failing while gpon-port counters resetting has been fixed.
System. The problem with launching of NTP client has been solved.
System. Added time zone accounting in the syslog.
System. Saving of arp inspection configuration has been fixed.
System. The limit of uploading file name has been added (file name can contain up to 34 symbols).
System. The disappearance of the switch configuration after power failure has been fixed.
System. The authorization template was corrected.
System. Application of configuration in submenu system when backup loading has been fixed.
System. Invalid characters can not be entered in the hostname.
System. Configuration of some of the alarm types has been corrected.
System. The problem with system users removing has been eliminated.
System. The profiles list duplication by Tab when requesting show running-config profile has been corrected.
System. clish failure when the TACACS server is unavailable has been fixed.
System. Bug occuring while log uploading via TFTP has been fixed.
System. The problem with synchronization of time on NTP, when LTP starting, with a large ONT tree has been solved.

Version 3.26.1

Features:

Added a function for simplified configuring.
Support for DLOLT43BCDS20, DLOLT43CCDS20, FH-DLT43CCDS20 SFP modules.
LTP 3.X can be undone to 2.X firmware version with control saving and 2.X configuration recovery.
Auto save of the configuration at regular intervals.
Support for cross-connect tunnel and selective tunnel in 13 agents.
Session limiting can be disabled in PPPoE agent for an ONT.
Session monitoring can be disabled in PPPoE agent - unlimited number of sessions.
Several addresses of DHCP servers can be configured for DHCP-relay.

Bugs fixed:

snmp trap-community value applying has been fixed.
custom vid tag applying has been fixed in 3.24 firmware version.
SNMP. Adding of an ONT with existing serial number has been fixed.
SNMP. An error occurring during upload a complete tree has been eliminated.
The problem with traffic transmitting via pon-port 1 at time when IPSG is enabled has been solved.
IPSG static entries are deleted when life-time expires.
Displaying of statistics on multicast-subscriber-monitor has been fixed.
An access via Telnet and SSH when TACACS authorization is enabled is provided properly.
An error in do license set command operation has been fixed.
DHCP-Relay works properly in management vlan.
An error occurred while intersection of management vlan and ACS vlan has been fixed.
The problem with removing of management interface after DHCP relay disabling has been solved.
pmchal module has been stabilized.
Custom parameters assignment in case of template using has been fixed.

Optimization:

Total time of large amount of ONT authorization has been decreased.
Memory operation has been optimized.
System resources has been optimized.

Version 3.26.0

Support for new terminal types: LTP-4X rev.C, LTP-8X rev.C.
Power supply monitoring (for rev.C boards).
Support for SFP-ONU (advanced traffic tunneling settings).
Support for IPv6 (DHCPv6 Relay Agent, IPv6 Multicast, MLD snooping + proxy, ACL for IPv6).
Implemented IP Source Guard functionality (IPv4 only).
The ability to enable DHCPv4 Relay separately for different VLANs.
Configuring option 82 binary transmission for DHCPv4 Relay Agent.
DHCP sessions monitoring.
ARP Relay now supports EtherCAT.
Integrated ACS control is fully supported in the control system (for rev.B, rev.C boards).
Added command to view the settings of the built-in ACS (for rev.B, rev.C boards).
Added support for authorizing OLT users through RADIUS.
Added the ability to disable ONT detection on PON ports (autofind).
Support for downloading and uploading files via HTTP (LTP software, ONT software, configuration).
The number of cross-connect, shaping, dba profiles has been increased from 32 to 128.
Ability to redefine profile settings for both tags (C-VLAN, S-VLAN) for ONT.
Support for displaying switch timers in the control system.
Support for displaying MAC tables in the control system.
Support for dynamically displaying RSSI on ONT changes in the control system.
Increased the number of available Alloc-IDs (256 Type-5 + 128 CBR).
Full Q-in-Q support for the VLAN per Subscriber model.
Corrected readings of temperature sensors and alarms at negative temperatures.
Fixed MySQL launch for embedded ACS on large bases (for rev.B, rev.C boards).
The NTP client now correctly synchronizes the time immediately after loading the device.
The LTP firmware update command has been changed (copy command instead of update system).
Changed the default log level for the console and ssh/telnet connection.
Fixed priority copying for packets in the downstream direction.
Fixed the use of DSCP for management traffic.
The command to turn on the laser on all ONTs on the channel has been fixed.
Fixed display of ONT configuration when using template.
Entered profile name corrected (you cannot enter too long a name).
Fixed automatic reconfiguration of PON channels when changing profiles.
Fixed issuing of active groups from ONT to Multicast Subscriber Monitor.
Mirroring settings fixed (removing VLAN settings for mirrored traffic).
Fixed turning on and off the settings for automatic reconfiguration of OLT, PON channels and ONT.
Fixed display of interface timers between the PON chip and the switch (v-interface).
The minimum user password size is set to 8 characters.
TACACS authorization fixed.
Added command to install the TACACS port and RADIUS server.
Fixed display of AAA settings.
The default value for the authorization server response timeout has been reduced from 60 to 3 seconds.
Fixed generation of SNMP EngineID.
When adding ONT via SNMP and the control system, custom vid settings are now correctly set (unused value).
Reduced time for issuing VLAN tables for SNMP and control system.
Fixed deletion of an underloaded ONT software file when there is not enough space when downloading via SNMP and control system.